3. Wide Measuring Range: Wind speed alarm measuring range is wide, anti interference ability is strong, with anti electromagnetic interference function. 1. With the Connection Line Function: Power off after alarm, you can control the equipment that the customer wants to control, and the wind level be powered off to the set level. 2. Three Cup Wind Cup: The anemometer adopts three cup wind speed measurement, 360° wind speed measurement, high accuracy. 4. Power Failure Memory Function: The digital circuit of the wind speed alarm adopts a CMOS chip with power failure memory function, which saves time and power. 5. In Normal Operation: The window wind speed shows the current actual wind speed; Set wind level to display the current alarm wind level; Maximum Wind level Indicates the maximum wind level of the day., Weight: 1.37237758095 pounds, Manufacturer: Wesafrae